It needs to be manually created when you register an organizational unit.

It is automatically created along with the certifier ID.

You use the certifier ID to create the first certifier document in the organization.

The certifier document contains the information you use to register services.

Answer:B. It is automatically created along with the certifier ID.

Tutorial:The first certifier ID is created by the server setup program. Along with the certifier ID, the server setup program also creates a certifier document. The certifier ID plays an important role in registering servers and users. The certifier ID is used for registering servers and users. The certifier document maintains the record for certifier ID. The certifier document maintains the certifier ID details, such as its issuing certifier ID, its hierarchical name and the certificates associated with the certifier ID.

The certifier document never is manually created. It always is an automatic process. A certifier document always is created when a certifier ID is created.